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diff --git a/src/lib/libcrypto/sha/sha.h b/src/lib/libcrypto/sha/sha.h
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1/* $OpenBSD: sha.h,v 1.26 2025/01/25 17:59:44 tb Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stddef.h>
60
61#ifndef HEADER_SHA_H
62#define HEADER_SHA_H
63#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__)
64#define __bounded__(x, y, z)
65#endif
66
67#include <openssl/opensslconf.h>
68
69#ifdef __cplusplus
70extern "C" {
71#endif
72
73/*
74 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
75 * ! SHA_LONG has to be at least 32 bits wide. !
76 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
77 */
78
79#define SHA_LONG unsigned int
80
81#define SHA_LBLOCK 16
82#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
83 * contiguous array of 32 bit
84 * wide big-endian values. */
85#define SHA_LAST_BLOCK (SHA_CBLOCK-8)
86#define SHA_DIGEST_LENGTH 20
87
88typedef struct SHAstate_st {
89 SHA_LONG h0, h1, h2, h3, h4;
90 SHA_LONG Nl, Nh;
91 SHA_LONG data[SHA_LBLOCK];
92 unsigned int num;
93} SHA_CTX;
94
95#ifndef OPENSSL_NO_SHA1
96int SHA1_Init(SHA_CTX *c);
97int SHA1_Update(SHA_CTX *c, const void *data, size_t len)
98 __attribute__ ((__bounded__(__buffer__, 2, 3)));
99int SHA1_Final(unsigned char *md, SHA_CTX *c);
100unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md)
101 __attribute__ ((__bounded__(__buffer__, 1, 2)))
102 __attribute__ ((__nonnull__(3)));
103void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
104#endif
105
106#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
107 * contiguous array of 32 bit
108 * wide big-endian values. */
109#define SHA224_DIGEST_LENGTH 28
110#define SHA256_DIGEST_LENGTH 32
111
112typedef struct SHA256state_st {
113 SHA_LONG h[8];
114 SHA_LONG Nl, Nh;
115 SHA_LONG data[SHA_LBLOCK];
116 unsigned int num, md_len;
117} SHA256_CTX;
118
119#ifndef OPENSSL_NO_SHA256
120int SHA224_Init(SHA256_CTX *c);
121int SHA224_Update(SHA256_CTX *c, const void *data, size_t len)
122 __attribute__ ((__bounded__(__buffer__, 2, 3)));
123int SHA224_Final(unsigned char *md, SHA256_CTX *c);
124unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md)
125 __attribute__ ((__bounded__(__buffer__, 1, 2)))
126 __attribute__ ((__nonnull__(3)));
127int SHA256_Init(SHA256_CTX *c);
128int SHA256_Update(SHA256_CTX *c, const void *data, size_t len)
129 __attribute__ ((__bounded__(__buffer__, 2, 3)));
130int SHA256_Final(unsigned char *md, SHA256_CTX *c);
131unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md)
132 __attribute__ ((__bounded__(__buffer__, 1, 2)))
133 __attribute__ ((__nonnull__(3)));
134void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
135#endif
136
137#define SHA384_DIGEST_LENGTH 48
138#define SHA512_DIGEST_LENGTH 64
139
140#ifndef OPENSSL_NO_SHA512
141/*
142 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
143 * being exactly 64-bit wide. See Implementation Notes in sha512.c
144 * for further details.
145 */
146#define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a
147 * contiguous array of 64 bit
148 * wide big-endian values. */
149#if defined(_LP64)
150#define SHA_LONG64 unsigned long
151#define U64(C) C##UL
152#else
153#define SHA_LONG64 unsigned long long
154#define U64(C) C##ULL
155#endif
156
157typedef struct SHA512state_st {
158 SHA_LONG64 h[8];
159 SHA_LONG64 Nl, Nh;
160 union {
161 SHA_LONG64 d[SHA_LBLOCK];
162 unsigned char p[SHA512_CBLOCK];
163 } u;
164 unsigned int num, md_len;
165} SHA512_CTX;
166#endif
167
168#ifndef OPENSSL_NO_SHA512
169int SHA384_Init(SHA512_CTX *c);
170int SHA384_Update(SHA512_CTX *c, const void *data, size_t len)
171 __attribute__ ((__bounded__(__buffer__, 2, 3)));
172int SHA384_Final(unsigned char *md, SHA512_CTX *c);
173unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md)
174 __attribute__ ((__bounded__(__buffer__, 1, 2)))
175 __attribute__ ((__nonnull__(3)));
176int SHA512_Init(SHA512_CTX *c);
177int SHA512_Update(SHA512_CTX *c, const void *data, size_t len)
178 __attribute__ ((__bounded__(__buffer__, 2, 3)));
179int SHA512_Final(unsigned char *md, SHA512_CTX *c);
180unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md)
181 __attribute__ ((__bounded__(__buffer__, 1, 2)))
182 __attribute__ ((__nonnull__(3)));
183void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
184#endif
185
186#ifdef __cplusplus
187}
188#endif
189
190#endif
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